Soap-bubble pipe



00m SOAP BUBBLE PIPE.

APPLICATION FILED JAN. 25, I921.

1,389,098,; Patented Aug. 30, 1921,

UNITED STATES PATENT OFFICE.

IRWIN COI'IN, OF STROUD SBURG, PENNSYLVANIA, ASSIGNOR TO EXELOID GOMfANY .OF PENNSYLVANIA, OF EAST STROUDSBURG, PENNSYLVANIA, A; CORPORATION OF PENNSYLVANIA.

"SOAP-BUBBLE PIPE.

Patented Aug.30, 1921.

Application filed January 15, 1921. Serial No. 437,386.

To all to ham/it may con cern Be it known that I, IRWIN COHN, a citizen of the United States of America, residing at Stroudsburg, Monroe county, State of Pennsylvania, have invented certain new and useful Improvements in Soap-Bubble Pipes, of which the following is a full, clear, and exact description.

This invention relates to improvements in pipes or device's'for blowing soap-bubbles. Besides involving certain structural 1mprovements, my improved pipe is specially arranged or designed to lend itself to manufacture out of celluloid, whereby an extremely light and durable article will be produced.

My improved pipe is comprised of a bowl portion and a tubular stem member which is connected to a vertically disposed Venturi tube having a plurality of outlets located at difierent levels relative to the top open end of the bowl for the purpose of producing more than one bubble at a time or one bubble Within the other. Other features of improvement will hereinafter appear.

I will now proceed to describe my invention in detail, the novel features of which I will finally claim, reference being had to the accompanying drawing, wherein:

Figure 1 is a side elevation of my improved pipe;

Fig. 2 is a plan view thereof, the stem bein r broken away;

Fig. 3 is a sectional View on line 3--3 Fig. 2; and

Fig. 1 is a sectional plan view on line 4-4 Fig. 3.

My improved pipe consists of a bowl member 5, made up of two members 6 and 7 a tubular stem 8 and a Venturi-tube 9, the lower end of which is inserted in an air chamber 10 carried by the lower member 7 of the bowl 5. While the pipe can be con structed without the air chamber 10, said air chamber produces desirable results not only from a point of assemblage, but also from a point of operativeness. It is quite a simple matter toinsert the chamber in the bottom of member 7 and also a simple matter to insert the lower end of tube 9 in said chamber, easier in fact than securing the tube directly to the bottom 11 of the bowl member 7.

The Venturi-tube 9 consists of a body portion 9, having a restricted extension 12 liquid which has not tion with the interior of the tube 9 by means of an openin 17 in the wall of the tube.

A further eature of the invention consists of an inturned flange 18 located at the open end of bowl 5 to provide an annular recess 19 adjacent the open end of the tube. The flange 18 which is directed toward the interior of the bowl provides a baflle wall to prevent liquid within the bowl from being entirely forced out, thereby preventing v been formed into a bubble from being forced out of the bowl and soiling the clothing, table covers or the like. The restricted mouth of the bowl also produces desirable results in that it confines, with the aid of the annular recess 19, air issuing from the mouth 14 within the bowl, which will have the result of materially aiding the production of bubbles by the air which issues from the opening 14L. As the bubble produced by air issuing from the opening 14 will be the larger, the open end 15 of the restricted extension 12 will be confined within said bubble, and a bubble produced by air from opening 15 will be located within the larger bubble. The air chamber 10 aids materially in producing a steady flow of air, as it acts as a reservoir to a large extent and also checks, to a large extent, the bursting of a bubble, during formation by an unsteady flow of air through the stem 8. The parts constituting the pipe can be suitably cemented or otherwise secured together.

Having described my invention what I claim is 1. In a bubble pipe, a bowl member, a supplemental air chamber within the bowl, a Venturi-tube extending from the air chamber, a stem connected with said tube, and an annular inwardly directed baffle wall carried by the bowl at its open end.

2. In a bubble pipe, a bowl member, a

the bowl, said bafile wall being located adjacent the open end of the restricted extension of the Venturi-tube, and a stem connected with the Venturi-tube.

3. In a bubble pipe, a bowl-member, a supplemental air chamber carried by the bowl member, a Venturi-tube carried by the air chamber, and provided with a restricted extension having an open end and an opening intermediate its ends, an inwardly directed baffle wall carried by the bowl, said baffle wall being located adjacent the open end of the restricted extension of the Venturi-tube, and a stem connected with the Venturi-tube.

4. In a bubble pipe, a bowl member, a Venturi tube within same, consisting of a body portion and a restricted extension carried thereby located at one side of the axis of the body portion, said body portion hav ing an opening adjacent the point where the said body portion and extension meet, and a stem connected to the Venturi tube.

5. In a bubble pipe, a bowl member having the outlet end restricted by an annular bafiie extending toward the interior of the bowl and provided with an opening located centrally of the bowl, a Venturi tube within the bowl having its outlet end located in the opening in the baflie wall but out of contact therewith, and a stem connected with the Venturi tube.

6. In a bubble ipe, a bowl member having a. mouth, a enturi tube within same consisting of a plurality of communicating ducts of different sizes, said ducts being open at one end, the opening of the larger duct being within the bowl, the opening of the smaller duct being located atthe mouth of the bowl, whereby a bubble produced by the aid of the smaller duct will be located within a bubble produced by the aid of the larger duct, and a stem connected to the larger duct.

7. In a bubble pipe, a. bowl member hav ing baffle wall extending inwardly from the wall at one end thereof and provided with an opening, a Venturi tube within the bowl having an open end located in the opening in the baffle wall but out of contact with said wall, said Venturi tube being pro vided with an opening intermediate its ends, and a stem connected with the Venturi tube.

Signed at Stroudsburg, Pa, this 21st day of December, 1920.

IRWIN GOHN.

Witnesses MERTLE T. MARTIN, ALLEN R. BEERS. 

